javascript
/
three.js
cermin dari https://github.com/tazdij/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - GLTFloader + Iridescence + Nodes</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<link type="text/css" rel="stylesheet" href="main.css">
	</head>

	<body>
		<div id="info">
			<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - GLTFLoader + <a href="https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_iridescence" target="_blank" rel="noopener">KHR_materials_iridescence</a> + Nodes<br />
			Iridescence Lamp from <a href="https://github.com/KhronosGroup/glTF-Sample-Models/tree/master/2.0/IridescenceLamp" target="_blank" rel="noopener">glTF-Sample-Models</a><br />
			<a href="https://hdrihaven.com/hdri/?h=venice_sunset" target="_blank" rel="noopener">Venice Sunset</a> from <a href="https://hdrihaven.com/" target="_blank" rel="noopener">HDRI Haven</a>
		</div>

		<!-- Import maps polyfill -->
		<!-- Remove this when import maps will be widely supported -->
		<script async src="https://unpkg.com/[email protected]/dist/es-module-shims.js"></script>

		<script type="importmap">
			{
				"imports": {
					"three": "../build/three.module.js",
					"three/addons/": "./jsm/",
					"three/nodes": "./jsm/nodes/Nodes.js"
				}
			}
		</script>

		<script type="module">

			import * as THREE from 'three';
			import { NodeMaterial, uv, vec2, checker, float, timerLocal } from 'three/nodes';

			import { nodeFrame } from 'three/addons/renderers/webgl/nodes/WebGLNodes.js';

			import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
			import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
			import { RGBELoader } from 'three/addons/loaders/RGBELoader.js';

			let renderer, scene, camera, controls;

			init().catch( function ( err ) {

				console.error( err );

			} );

			async function init() {

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.useLegacyLights = false;
				renderer.toneMapping = THREE.ACESFilmicToneMapping;
				renderer.setAnimationLoop( render );
				document.body.appendChild( renderer.domElement );

				scene = new THREE.Scene();

				camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.25, 20 );
				camera.position.set( 0.35, 0.05, 0.35 );

				controls = new OrbitControls( camera, renderer.domElement );
				controls.addEventListener( 'change', render );
				controls.target.set( 0, 0.2, 0 );
				controls.update();

				const rgbeLoader = new RGBELoader()
					.setPath( 'textures/equirectangular/' );

				const gltfLoader = new GLTFLoader().setPath( 'models/gltf/' );

				const [ texture, gltf ] = await Promise.all( [
					rgbeLoader.loadAsync( 'venice_sunset_1k.hdr' ),
					gltfLoader.loadAsync( 'IridescenceLamp.glb' ),
				] );

				// nodes

				gltf.scene.traverse( mesh => {

					const material = mesh.material;

					if ( material && material.iridescence > 0 ) {

						const iridescenceFactorNode = checker( uv().add( vec2( timerLocal( - .05 ), 0 ) ).mul( 20 ) );

						const nodeMaterial = NodeMaterial.fromMaterial( material ); // @TODO: NodeMaterial.fromMaterial can be removed if WebGLNodes will apply it by default (as in WebGPURenderer)
						nodeMaterial.iridescenceNode = iridescenceFactorNode;
						nodeMaterial.iridescenceIORNode = float( 1.3 );
						nodeMaterial.iridescenceThicknessNode = float( 400 );

						mesh.material = nodeMaterial;

					}

				} );

				// environment

				texture.mapping = THREE.EquirectangularReflectionMapping;

				scene.background = texture;
				scene.environment = texture;

				// model

				scene.add( gltf.scene );

				window.addEventListener( 'resize', onWindowResize );

			}

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;

				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

			}

			function render() {

				nodeFrame.update();

				renderer.render( scene, camera );

			}

		</script>

	</body>
</html>